@mixin select-outline {
  nb-select.appearance-outline .select-button {
    border-style: nb-theme(select-outline-border-style);
    border-width: nb-theme(select-outline-border-width);

    &.top {
      border-top-style: nb-theme(select-outline-adjacent-border-style);
      border-top-width: nb-theme(select-outline-adjacent-border-width);
    }
    &.bottom {
      border-bottom-style: nb-theme(select-outline-adjacent-border-style);
      border-bottom-width: nb-theme(select-outline-adjacent-border-width);
    }
  }

  @each $status in nb-get-statuses() {
    nb-select.appearance-outline.status-#{$status} .select-button {
      background-color: nb-theme(select-outline-#{$status}-background-color);
      border-color: nb-theme(select-outline-#{$status}-border-color);
      color: nb-theme(select-outline-#{$status}-text-color);

      &.placeholder {
        color: nb-theme(select-outline-#{$status}-placeholder-text-color);
      }
      nb-icon {
        color: nb-theme(select-outline-#{$status}-icon-color);
      }

      &:focus {
        background-color: nb-theme(select-outline-#{$status}-focus-background-color);
        border-color: nb-theme(select-outline-#{$status}-focus-border-color);
      }
      &:hover {
        background-color: nb-theme(select-outline-#{$status}-hover-background-color);
        border-color: nb-theme(select-outline-#{$status}-hover-border-color);
      }

      &[disabled] {
        color: nb-theme(select-outline-#{$status}-disabled-text-color);
        background-color: nb-theme(select-outline-#{$status}-disabled-background-color);
        border-color: nb-theme(select-outline-#{$status}-disabled-border-color);

        nb-icon {
          color: nb-theme(select-outline-#{$status}-disabled-icon-color);
        }
      }

      &.bottom,
      &.top {
        border-color: nb-theme(select-outline-#{$status}-open-border-color);
      }

      &.top {
        border-top-color: nb-theme(select-outline-#{$status}-adjacent-border-color);
      }
      &.bottom {
        border-bottom-color: nb-theme(select-outline-#{$status}-adjacent-border-color);
      }
    }
  }

  @each $size in nb-get-sizes() {
    nb-select.appearance-outline.size-#{$size} .select-button {
      padding: nb-theme(select-outline-#{$size}-padding);
      @include nb-ltr(padding-right, nb-theme(select-icon-offset));
      @include nb-rtl(padding-left, nb-theme(select-icon-offset));
    }
  }
}
